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Patent US2894284A successfully refreshed from Google Patents.
US2894284A
Expired / Lapsed
US
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Injection molding machines
Assignee: OI Glass Inc
•
Filing: 1954-09-09
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Granted: 1959-07-14
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Expires: 1974-09-09
Abstract
No abstract record available.
Inventors
- 👤 Blaine M Allison
- 👤 Schmid William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:32
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/178; B29C45/03; B29C45/04; B29C45/06; B29C45/062; Y; Y10; Y10S; Y10S425/00; Y10S425/229
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2226326A
Cited
US2137539A
Cited
US2333059A
Cited
US2439782A
Cited
US2531524A
Cited
US2645815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |